256793334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{142189}}^1$

素因数の和:142244

約数の個数: 32

約数和(自身を含む): 600610560

約数和(自身を除く): 343817226

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 142189, 284378, 426567, 853134, 995323, 1990646, 2985969, 5971938, 6114127, 12228254, 18342381, 36684762, 42798889, 85597778, 128396667, 256793334]

約数ペア:

[(1, 256793334), (2, 128396667), (3, 85597778), (6, 42798889), (7, 36684762), (14, 18342381), (21, 12228254), (42, 6114127), (43, 5971938), (86, 2985969), (129, 1990646), (258, 995323), (301, 853134), (602, 426567), (903, 284378), (1806, 142189)]